Electronics enthusiasts that would like to create their very own portable spectrometer may be interested ... enabled thanks to the inclusion of an Arduino Pro Mini. Watch the video below to ...

We only know that he has made one, including a high-voltage power supply, a photomultiplier tube, and–what else–an Arduino ... If you want a run down on spectrometer projects, check out ...

so that the sample can be tested across the whole light spectrum. The prism is rotated by a servo motor, which exposes the sample to the full rainbow, while an Arduino uses a light-dependent ...